Added German translation and hassfest validator for custom integrations#21

Merged

jay-oswald merged 9 commits intojay-oswald:mainfrom jwiesel:german-translation

Feb 26, 2025

Commits on Feb 16, 2025

Added translation strings for error messages during config flow.
jwiesel
committed

Commits on Feb 20, 2025

Commits on Feb 25, 2025

Fixed merge conflicts + added missing translations
jwiesel
committed